Examlex
Match each option of the test command with a statement below.
-tests for a nonzero string length
Allocative Efficiency
A condition of distributing resources where improving the situation of one person results in the detriment of another.
Economic Profits
The surplus remaining after deducting both the explicit and implicit costs from total revenues; represents extra earnings above the next best alternative.
Fair Return
The reasonable profit that a business can expect to make, considering the risk involved.
Pure Monopoly
A market structure where a single firm is the sole producer of a product or service with no close substitutes, giving it significant control over price.
Q5: In the Linux Bash shell,the _ key
Q9: The most unequal region in the world
Q19: What is the difference between the while
Q27: A simple way to delete a record
Q34: You should omit spaces when you assign
Q39: used in vi to move up one
Q40: The character sequence _ forces the next
Q44: A student at the introductory skill level
Q49: All complete statements in Perl end with
Q70: In countries with weak democracies and weak